Droog71
/
pioneer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Limit the radius searched for stars and mix it from the minimum to the desired radius depending on the star density

master
Andrew Copland 2021-01-09 16:45:04 +00:00 committed by Webster Sheets
parent 2c4fb54afd
commit c8d509ab1f
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/Background.cpp
View File

@ -6,6 +6,7 @@
#include "FileSystem.h"
#include "Game.h"
#include "GameConfig.h"
#include "MathUtil.h"
#include "Pi.h"
#include "Player.h"
#include "Space.h"
@ -27,6 +28,8 @@ using namespace Graphics;
namespace {
static const Uint32 BG_STAR_MAX = 500000;
static const Uint32 BG_STAR_MIN = 50000;
static const float BG_STAR_RADIUS_MIN = 8.0f;
static const float BG_STAR_RADIUS_MAX = 500.0f;
static RefCountedPtr<Graphics::Texture> s_defaultCubeMap;
static Uint32 GetNumSkyboxes()
@ -233,7 +236,7 @@ namespace Background {
void Starfield::Fill(Random &rand, const Space *space, RefCountedPtr<Galaxy> galaxy)
{
PROFILE_SCOPED()
const Uint32 NUM_BG_STARS = Clamp(Uint32(Pi::GetAmountBackgroundStars() * BG_STAR_MAX), BG_STAR_MIN, BG_STAR_MAX);
const Uint32 NUM_BG_STARS = MathUtil::mix(BG_STAR_MIN, BG_STAR_MAX, Pi::GetAmountBackgroundStars());
m_hyperVtx.reset(new vector3f[BG_STAR_MAX * 3]);
m_hyperCol.reset(new Color[BG_STAR_MAX * 3]);
@ -262,7 +265,7 @@ namespace Background {
const SystemPath current = space->GetStarSystem()->GetPath();
const double size = 1.0;
const Sint32 visibleRadius = m_visibleRadiusLy; // lyrs
const Sint32 visibleRadius = MathUtil::mix(BG_STAR_RADIUS_MIN, Clamp(m_visibleRadiusLy, BG_STAR_RADIUS_MIN, BG_STAR_RADIUS_MAX), Pi::GetAmountBackgroundStars()); // lyrs
const Sint32 visibleRadiusSqr = (visibleRadius * visibleRadius);
const Sint32 sectorMin = -(visibleRadius / Sector::SIZE); // lyrs_radius / sector_size_in_lyrs
const Sint32 sectorMax = visibleRadius / Sector::SIZE; // lyrs_radius / sector_size_in_lyrs